With a population growth rate of 10%, it will take 7 years for a population to double from 37,000 to 74,000 people.
Population growth may be defined as the increase in the number of people in a population at a given time.
It is calculated by the formula:
λ = [tex]N_t+1/N_o[/tex]
where λ = rate of increase per generation
[tex]N_t+1[/tex] = No. of individuals after t+1 generation.
No = the Initial number of individuals in a population.
Nt + 1 = 37000 + 3700 = 40700.
No = 37000
λ = 40700/37000 = 1.1
Now, Nt + 7 = (λ)^7 × No = 1.1^7 × 37000 = 2 × 37000 = 74,000
Therefore, with a population growth rate of 10%, it will take 7 years for a population to double from 37,000 to 74,000 people.
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